*{
    margin: 0;
    padding: 0;
}
.header-one{
    padding-top: 150px;
}

header{
    height: 191px;
    background-image: url(../img/bj.jpg);
}
nav{
    width: 1024px;
    height: 40px;
    margin: 0 auto;
}
li{
    float: left;
    width: 128px;
    list-style: none;
    text-align: center;
    line-height: 40px;

}
li a{
    display: inline-block;
    text-decoration: none;
    width: 128px;
    
}
a:hover{
    background-color: aquamarine;
}
.news{
    background-image: url(../img/xwbeijing.jpg);
    width: 1024px;
    height: 463px;
    margin: 0 auto;
}
section,aside{
    float: left;
}
.left{
    width: 780px;
    height: 429px;
    margin: -10px;
    margin-top: 20px;
}
.right{
    width: 230px;
}
.col{
    width: 236px;
    margin-top: 58px;
    margin-left: 22px;
}
img{
    width: 236px;
    height: 156px;
}
a{
    color: black;
    text-decoration: none;
}
h5{
    font-size: 15px;
    font-weight: 120;
    margin: 5px;
}
h5{
    height: 50px;
}